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Principal & Witness Log

  • June 10, 2013 at 2:11 pm

    #295151

    With a Pricipal Server, Mirror and Witness Server, Do you have to have a .ldf on both Principal & Witness Server. I know the transaction log is what is used to keep both of them in sync, correct.

  • June 13, 2013 at 6:10 am

    #1623645

    The witness is used for automatic failover in High Safety mode - The database is not mirrored to the witness server

    http://msdn.microsoft.com/en-us/library/ms175191.aspx

  • June 13, 2013 at 6:20 am

    #1623656

    Any time you have a database you have a log file. It's an essential part of the database. That said, witness doesn't need any user databases on it.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

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